Qt中xml文件的读写接口类 - 微微来了

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转自 http://www.oschina.net/code/snippet_195885_9703

[文件] xprojectreader.h ~ 557B 下载(65)

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#ifndef XPROJECTREADER_H 

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#define XPROJECTREADER_H 

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#include <vector> 

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#include <QtXml/QtXml> 

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#include "global.h" 

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class QString; 

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class CXProjectReader 

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{ 

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public: 

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    CXProjectReader(vector<STask> *); 

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    bool read(QIODevice *device); 

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    QString readProjectName() const; 

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private: 

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    void readXProject(QDomElement); 

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    void readTask(QDomElement); 

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    ETASKTYPE toETaskType(QString); 

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    QDomDocument m_xml; 

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    //QXmlStreamReader m_xml; 

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    vector<STask> *m_pVProject; 

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    QString m_projectName; 

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}; 

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#endif // XPROJECTREADER_H

[文件] xprojectreader.cpp ~ 4KB 下载(56)

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#include "xprojectreader.h" 

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#include <QtGui/QtGui> 

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#include <QtCore/QtCore> 

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CXProjectReader::CXProjectReader(vector<STask> *project) 

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    :m_pVProject(project) 

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{ 

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} 

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bool CXProjectReader::read(QIODevice *device) 

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{     

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    QString errorStr; 

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    int errorLine; 

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    int errorColumn; 

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    if (!m_xml.setContent(device, true, &errorStr, &errorLine, 

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                                &errorColumn))  

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    { 

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    //QMessageBox::information(window(), QObject::tr("DOM Project"), 

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 //                                QObject::tr("Parse error at line %1, column %2:\n%3") 

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 //                                .arg(errorLine) 

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 //                                .arg(errorColumn) 

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 //                                .arg(errorStr)); 

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        return false; 

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    } 

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    QDomElement root = m_xml.documentElement(); 

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    if (root.tagName() != "project")  

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    { 

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        //QMessageBox::information(window(), QObject::tr("DOM Project"), 

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        //                         QObject::tr("The file is not an xml file.")); 

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        return false; 

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    }  

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    else if (root.hasAttribute("version") 

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               && root.attribute("version") != "1.0")  

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    { 

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        //QMessageBox::information(window(), QObject::tr("DOM Project"), 

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        //                         QObject::tr("The file is not an xml version 1.0 " 

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        //                            "file.")); 

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        return false; 

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    } 

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    m_projectName = root.attribute("name"); 

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    readXProject(root); 

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    return true; 

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} 

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void CXProjectReader::readXProject(QDomElement root) 

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{ 

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    //QDomElement root = m_xml.documentElement(); 

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    QDomElement child = root.firstChildElement("task"); 

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    while (!child.isNull())  

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    { 

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        readTask(child); 

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        child = child.nextSiblingElement("task"); 

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    } 

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} 

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void CXProjectReader::readTask(QDomElement element) 

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{ 

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    STask sTask; 

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    sTask.type = toETaskType(element.attribute("name")); 

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    QDomElement child = element.firstChildElement(); 

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    while (!child.isNull()) 

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    { 

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        if (child.tagName() == "readonly") 

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            sTask.readOnly = child.text().toInt(); 

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        else if (child.tagName() == "value") 

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            sTask.value = child.text().toStdString(); 

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        else if (child.tagName() == "mistake") 

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            sTask.mistake = child.text().toFloat(); 

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        else if (child.tagName() == "keyitem") 

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            sTask.keyItem = child.text().toInt(); 

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        else if (child.tagName() == "vrscope") 

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            sTask.vrScope = child.text().toInt(); 

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        child = child.nextSiblingElement(); 

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    } 

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    m_pVProject->push_back(sTask); 

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} 

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ETASKTYPE CXProjectReader::toETaskType(QString name) 

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{ 

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    if(name == "MARK100") 

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        return MARK100; //100V��ѹ�ı궨 

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    else if(name == "MARK220") 

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        return MARK220; //220V��ѹ�ı궨 

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    else if(name == "MARK380") 

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        return MARK380; //380V��ѹ�ı궨 

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    else if(name == "OC100") 

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        return OC100;   //100V��ѹ��OC�� 

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    else if(name == "OC220") 

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        return OC220;   //220V��ѹ��OC�� 

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    else if(name == "OC380") 

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        return OC380;   //380V��ѹ��OC�� 

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    else if(name == "PRECISION100") 

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        return PRECISION100; //100V��ѹ�ľ��ȼ�� 

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    else if(name == "PRECISION220") 

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        return PRECISION220; //220V��ѹ�ľ��ȼ�� 

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    else if(name == "PRECISION380") 

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        return PRECISION380; //380V��ѹ�ľ��ȼ�� 

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    else if(name == "CLOCKMISTAKE") 

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        return CLOCKMISTAKE; //ʱ����� 

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    else if(name == "COMM") 

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        return COMM;         //ͨѶ��ʽ��IP-PORT,192.1.1.81-8080 

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    else if(name == "AREATERMCODE") 

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        return AREATERMCODE;     //�ն�������,ʮ������� 

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//    else if(name == "TERMCODE") 

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//        return TERMCODE;     //�ն˵�ַ 

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    else if(name == "VOLTRANKLIMIT") 

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        return VOLTRANKLIMIT;//��ѹ�ȼ���������,100-7-10 

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    else if(name == "APN") 

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        return APN;         //APN,CMNET��CMWAP 

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    else if(name == "HEARTBEAT") 

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        return HEARTBEAT;    //������ 

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    else if(name == "TERMTIME") 

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        return TERMTIME;    //�ն�ʱ�� 

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    else if(name == "FOOTDAY") 

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        return FOOTDAY;     //������ 

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    else if(name == "POWEROFFCLOCK") 

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        return POWEROFFCLOCK;//�����ʱ�Ӽ��͵�ѹ��� 

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    else if(name == "SOFTVERSION") 

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        return SOFTVERSION;  //�ն�����汾 

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} 

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QString CXProjectReader::readProjectName() const

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{ 

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    return m_projectName; 

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}

[文件] xprojectwriter.h ~ 522B 下载(49)

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#ifndef XPROJECTWRITER_H 

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#define XPROJECTWRITER_H 

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#include <QtXml/QDomDocument> 

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#include "global.h" 

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class QString; 

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class CXProjectWriter 

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{ 

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public: 

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    CXProjectWriter(vector<STask> *); 

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    bool writeFile(QIODevice *device); 

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    void writeProjectName(QString); 

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private: 

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    void writeTask(STask, QDomElement&); 

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    QString fromTaskType(ETASKTYPE); 

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    QDomDocument m_xml; 

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    //QXmlStreamWriter m_xml; 

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    vector<STask> *m_pVProject; 

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    QString m_projectName; 

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}; 

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#endif // XPROJECTWRITER_H

[文件] xprojectwriter.cpp ~ 4KB 下载(55)

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#include "xprojectwriter.h" 

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#include <QtGui/QtGui> 

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CXProjectWriter::CXProjectWriter(vector<STask> *project) 

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    :m_pVProject(project) 

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{ 

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    //m_xml.setAutoFormatting(true); 

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} 

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bool CXProjectWriter::writeFile(QIODevice *device) 

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{ 

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    //QDomElement root = m_xml.documentElement(); 

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    //root.setTagName("project");  

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    QDomElement root = m_xml.createElement("project"); 

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    root.setAttribute("version", "1.0"); 

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    root.setAttribute("name", m_projectName); 

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    m_xml.appendChild(root); 

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    for (uint i = 0; i < m_pVProject->size(); ++i) 

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        writeTask(m_pVProject->at(i), root); 

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    const int IndentSize = 4; 

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    QTextStream out(device); 

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    m_xml.save(out, IndentSize); 

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    return true; 

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} 

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void CXProjectWriter::writeTask(STask task, QDomElement& root) 

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{ 

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    QDomElement taskElement = m_xml.createElement("task"); 

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    QString taskName = fromTaskType(task.type);   

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    taskElement.setAttribute("name", taskName); 

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    root.appendChild(taskElement); 

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    QDomElement readElement = m_xml.createElement("readonly"); 

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    QDomText readText = m_xml.createTextNode(QString::number(task.readOnly)); 

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    readElement.appendChild(readText); 

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    QDomElement valueElement = m_xml.createElement("value"); 

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    QDomText valueText = m_xml.createTextNode(QString::fromStdString(task.value)); 

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    valueElement.appendChild(valueText); 

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    QDomElement mistakeElement = m_xml.createElement("mistake"); 

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    QDomText mistakeText = m_xml.createTextNode(QString::number(task.mistake)); 

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    mistakeElement.appendChild(mistakeText); 

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    QDomElement keyitemElement = m_xml.createElement("keyitem"); 

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    QDomText keyitemText = m_xml.createTextNode(QString::number(task.keyItem)); 

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    keyitemElement.appendChild(keyitemText); 

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    QDomElement vrscopeElement = m_xml.createElement("vrscope"); 

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    QDomText vrscopeText = m_xml.createTextNode(QString::number(task.vrScope)); 

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    vrscopeElement.appendChild(vrscopeText); 

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    taskElement.appendChild(readElement); 

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    taskElement.appendChild(valueElement); 

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    taskElement.appendChild(mistakeElement); 

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    taskElement.appendChild(keyitemElement); 

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    taskElement.appendChild(vrscopeElement); 

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} 

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QString CXProjectWriter::fromTaskType(ETASKTYPE type) 

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{ 

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    if(type == MARK100) 

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        return "MARK100"; //100V��ѹ�ı궨 

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    else if(type == MARK220) 

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        return "MARK220"; //220V��ѹ�ı궨 

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    else if(type == MARK380) 

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        return "MARK380"; //380V��ѹ�ı궨 

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    else if(type == OC100) 

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        return "OC100";   //100V��ѹ��OC�� 

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    else if(type == OC220) 

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        return "OC220";   //220V��ѹ��OC�� 

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    else if(type == OC380) 

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        return "OC380";   //380V��ѹ��OC�� 

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    else if(type == PRECISION100) 

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        return "PRECISION100"; //100V��ѹ�ľ��ȼ�� 

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    else if(type == PRECISION220) 

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        return "PRECISION220"; //220V��ѹ�ľ��ȼ�� 

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    else if(type == PRECISION380) 

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        return "PRECISION380"; //380V��ѹ�ľ��ȼ�� 

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    else if(type == CLOCKMISTAKE) 

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        return "CLOCKMISTAKE"; //ʱ����� 

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    else if(type == COMM) 

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        return "COMM";         //ͨѶ��ʽ��IP-PORT,192.1.1.81-8080 

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    else if(type == AREATERMCODE) 

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        return "AREATERMCODE";     //�ն�������,ʮ������� 

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//    else if(type == TERMCODE) 

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//        return "TERMCODE";     //�ն˵�ַ 

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    else if(type == VOLTRANKLIMIT) 

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        return "VOLTRANKLIMIT";//��ѹ�ȼ���������,100-7-10 

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    else if(type == APN) 

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        return "APN";         //APN,CMNET��CMWAP 

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    else if(type == HEARTBEAT) 

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        return "HEARTBEAT";    //������ 

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    else if(type == TERMTIME) 

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        return "TERMTIME";    //�ն�ʱ�� 

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    else if(type == FOOTDAY) 

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        return "FOOTDAY";     //������ 

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    else if(type == POWEROFFCLOCK) 

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        return "POWEROFFCLOCK";//�����ʱ�Ӽ��͵�ѹ��� 

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    else if(type == SOFTVERSION) 

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        return "SOFTVERSION";  //�ն�����汾 

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    return QString(); 

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} 

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void CXProjectWriter::writeProjectName(QString name) 

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{ 

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    m_projectName = name; 

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}

posted on 2012-12-20 14:07 微微来了阅读(517) 评论(0) 编辑收藏举报

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